January 28, 2015 - NASA's Associate Administrator, Science Mission Directorate, Headquarters, has issued a Record of Decision (ROD) for the Mars 2020 Mission Final Environmental Impact Statement (FEIS). In the ROD, Dr. John Grunsfeld approved the Proposed Action (Alternative 1) from the Mars 2020 Final Environmental Impact Statement: a rover powered by a Multi-Mission Radioisotope Thermoelectric Generator (MMRTG). The Mars 2020 ROD states, “The Proposed Action enables the best return of scientific and technical information, and makes most effective use of fiscal, human, and material resources.” For a copy of the ROD, click here.

November 6, 2014 - NASA's Science Mission Directorate, Headquarters, has completed the Final Environmental Impact Statement (FEIS) for the Mars 2020 Mission. The EPA's NOA was published on November 14, 2014 in the Federal Register and NASA's NOA was published on November 18, 2014 (both are available below). The Record of Decision (ROD) will not be issued before December 15, 2014, and will be posted on this site once issued.